<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>Document</title>
	</head>
	<body>
		<input type="text" />

		<script>
			var inputEl = document.querySelector('input')

			// 内容发生改变
			// 输入过程: input, 输入结束失去焦点: change
			inputEl.oninput = function () {
				console.log('input input事件')
			}

			inputEl.onchange = function () {
				console.log('input change事件')
			}
		</script>
	</body>
</html>
